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Noise reduction device and gas water heater

A noise reduction and noise reduction technology, which is applied in the direction of fluid heaters, instruments, sound-generating devices, etc., can solve the problems of affecting the performance of electrical appliances and the large impact of airflow

Active Publication Date: 2021-01-15
QINGDAO HAIER SMART TECH R & D CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the technical problem that noise reduction cotton is mainly used for noise reduction and sound absorption of electrical appliances in the prior art, which has a great impact on airflow and affects the performance of electrical appliances, the present invention proposes a noise reduction device that can solve the above problems

Method used

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  • Noise reduction device and gas water heater
  • Noise reduction device and gas water heater
  • Noise reduction device and gas water heater

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Effect test

Embodiment 1

[0034] Embodiment 1. In order to eliminate the noise generated during the operation of electrical appliances and improve user experience, this embodiment proposes a noise reduction device, which can be applied to but not limited to air conditioners, refrigerators, gas water heaters, washing machines, range hoods and other household appliances, such as figure 1 , figure 2 As shown, the noise reduction device includes a body 11 and a silencing space 12, the silencing space 12 is located in the body 11, the body 11 is provided with a silencing hole 121 communicating with the silencing space 12, and the noise to be eliminated enters the silencing space 12 through the silencing hole 121 In the middle, the noise propagates and reflects in the anechoic space 12, and the sound wave energy is attenuated during the propagation process, and part of the incident sound wave and the reflected sound wave will also offset, which will consume most of the energy and achieve the purpose of nois...

Embodiment 2

[0060] Embodiment two, this embodiment proposes a gas water heater, such as Figure 10 As shown, including the casing 21, the noise reduction device 1 is fixed on the inner wall of the casing 21, such as Figure 1-Figure 3 As shown, the noise reduction device 1 includes a body 11 and a silencing space 12, the silencing space 12 is located in the body 11, the body 11 is provided with a silencing hole 121 communicating with the silencing space 12, and the noise to be eliminated enters the silencing space through the silencing hole 121 In 12, the noise propagates and reflects in the anechoic space 12, and the sound wave energy is attenuated during the propagation process, and part of the incident sound wave and the reflected sound wave will also offset, which will consume most of the energy and achieve the purpose of noise reduction. The noise reduction device of the scheme does not limit the frequency of the noise. It can eliminate the broadband noise of 200Hz-2000Hz, which can ...

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Abstract

The invention discloses a noise reduction device and a gas water heater. The noise reduction device comprises a body; and a silencing space located in the body, wherein silencing holes communicated with the silencing space are formed in the body. According to the noise reduction device, by arranging the silencing space, noise enters the noise reduction space to be transmitted and attenuated, noisereduction is achieved, the body can adaptively change along with the structure of a machine shell, wind resistance cannot be caused, airflow circulation cannot be affected, the noise reduction spacecan consume and attenuate the noise entering any frequency band in the noise reduction space, and the frequency capable of eliminating the noise is not limited; broadband noise of 200 Hz and 2000 Hz can be eliminated, and the noise can comprise noise generated by vibration of a compressor and a motor and can also comprise combustion noise, airflow noise, water flow noise and the like of a gas water heater.

Description

technical field [0001] The invention belongs to the technical field of noise reduction and noise reduction, and in particular relates to a noise reduction device and a gas water heater using the noise reduction device. Background technique [0002] At present, many electrical products need to be equipped with compressors, fans and other devices in order to realize their functions. The power mechanism of such devices will generate vibration and noise when working, especially for electrical products assembled indoors, vibration and noise will affect people's health. Normal life and study, reduce user experience. At present, noise reduction mainly adopts the method of installing sound-absorbing cotton, and installing sound-absorbing cotton will increase the wind resistance of the fan, affect the circulation of air flow, and then affect the performance of electrical appliances. [0003] Taking the gas water heater as an example, since the gas water heater uses a blower and enha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10K11/16F24H9/00
CPCG10K11/16F24H9/0005
Inventor 孙兴朋范强徐超刘云颜超
Owner QINGDAO HAIER SMART TECH R & D CO LTD